I've resigned myself to the fact that I will NOT lose the weight I had grand plans to lose when we booked this adventure 16 months ago
Your comment about skirts made me think that for women and girls, perhaps go ahead and wear your shorts but have a wrap around skirt that you could just literally wrap around you for going into the churches. Remember in elementary school when your mom made you wear shorts under your dresses because you always were hanging upside down on the monkey bars? Same idea

(ok, maybe that was just me!)
Fabulous - I love gettnig things together.
If you have other people in your traveling party with you, you could split your stuff so that all you have to be responsible for is your camera - someone else can carry the cash, id, etc., so you can have your hand on the camera / bag at all times. Then you'll be less likely to be distracted trying to take a photo, deal with tickets and such.
You are right - you have to be aware of your surroundings and keep your stuff in front of you at all times - I always feel a bit relieved to get back on the tour bus so I can relax my grip a bit! Have a plan with your group so that everyone is always watching so no one gets distracted / attention diverted, and split up the valuables that you have to carry so if one person does get pickpocketed, you haven't lost everything. Hopefully none of us will have to deal with this at all - but caution is a must.